##
Perfect numbers, like perfect men, are very rare.

[Rene Descartes]

## During the 2016-2017 academic year, I will be attending:

TOTOM, PME-NA, AMTE, NCTM Research Session & Annual Meeting.

I also will be giving a presentation at MMC.

Hope to see you there!

## Presentations

**Research Presentations**

Wessman-Enzinger, N. M. (2016, July).

*Children’s Visual Mediators for Integer Addition and Subtraction Open Number Sentences.*Short oral paper presented at the 13th International Congress on Mathematics Education, Hamburg, Germany.

Wessman-Enzinger, N. M. (2016, April).

*Refinement of the Conceptual Models for Integer Addition and Subtraction*. Research brief paper presented at the Research Conference of the National Council of Teachers of Mathematics, San Francisco, CA.

Wessman-Enzinger, N. M. (2016, April).

*Prospective teachers understandings of integers and temperature*. Presentation at Pacific Northwest Mathematics Association of America, Corvallis, OR.

Wessman-Enzinger, N. M. (2016, April).

*Subtraction algorithms from the 18th and 19th centuries.*Presentation at Pacific Northwest Mathematics Association of America, Corvallis, OR.

Wessman-Enzinger, N. M. (2016, February).

*Re-defining the role of integer operations in schools and the consequences for teacher preparation*. Poster presentation at Oregon Association of Teacher Education, Monmouth, OR.

Bofferding, L., &

**Wessman-Enzinger, N. M.**(2015, November).

*Leveraging different perspectives to explore student thinking about integer addition and subtraction.*Working group presentation at the Psychology of Mathematics Education North America Conference, Lansing, MI.

Wessman-Enzinger, N. M. (2015, November).

*Alice’s drawings for integer addition & subtraction open number sentences.*Paper presented at the Psychology of Mathematics Education North America Conference, Lansing, MI.

Wessman-Enzinger, N. M. (2015, October).

*Unpacking children’s thinking about subtracting a negative number in the context of temperature*. Poster presented at Scholarly Inquiry and Practice for Mathematics Methods Conference, Atlanta, GA.

Wessman-Enzinger, N. M. (2015, September).

*Preservice teachers’ temperature stories for integer addition and subtraction*. Research presentation at Teachers of Teachers of Mathematics, Corvallis, OR.

Bofferding, L., &

**Wessman-Enzinger, N. M.**(2015, July).

*International integer curriculum comparison*

*.*Working session facilitated at the 39th Annual Meeting of the International Group for the Psychology of Mathematics Education, Hobart, Australia.

Wessman-Enzinger, N. M. (2015, July).

*Preservice teachers’ temperature stories for integer addition and subtraction*

*.*Research report presented at the 39th Annual Meeting of the International Group for the Psychology of Mathematics Education, Hobart, Australia.

Wessman-Enzinger, N. M. (2015, June).

*Developing and describing the use and learning of conceptual models for integer addition and subtraction of Grade 5 students*. Dissertation defense at Illinois State University, Normal, IL.

Wessman-Enzinger, N. M. (2015, April).

*Development of integer addition and subtraction: The case of Jace.*Individual session to be presented at the Research Conference of the National Council of Teachers of Mathematics, Boston, MA.

Wessman-Enzinger, N. M. (2015, February).

*From temperature to translation and relativity: Understanding preservice teachers’ reasoning about integers.*Individual session to be presented at the 19th Annual Conference of the Association of Mathematics Teacher Educators, Orlando, FL.

Kirwan, J. V., Miller, A. L., Safak, E., &

**Wessman-Enzinger, N. M.**(2015, February).

*Algebraic and rational number reasoning: Elementary preservice teachers transitioning from words to symbols.*Individual session to be presented at the 19th Annual Conference of the Association of Mathematics Teacher Educators, Orlando, FL.

Bofferding, L., &

**Wessman-Enzinger, N. M.**(2014, July). Literature review of integer research in PME and PME-NA proceedings. Discussion group presentation at the joint meeting of PME 38 and PME-NA 36, Vancouver, Canada.

Wessman-Enzinger, N. M

**.**(2014, July). Developing conceptual models of integers. Poster presented at the joint meeting of PME 38 and PME-NA 36, Vancouver, Canada.

Wessman-Enzinger, N. M. (2014, April). Evolution of the integer number line in North American school mathematics. Paper presented at History and Pedagogy of Mathematics Conference at Normal, IL.

Wessman-Enzinger, N. M. (2014, February). Context with the negative integers: More than a pedagogical tool. Presentation at Association of Mathematics Teacher Educators at Irvine, CA.

Wessman-Enzinger, N. M. (2013, November). Developing conceptual models for student thinking about integers. Dissertation proposal at Illinois State University, Normal, IL.

Wessman-Enzinger, N. M. (2013, November). Contexts of student constructed stories about negative integers. Presentation at the North American Chapter of the International Group for the Psychology of Mathematics Education at Chicago, IL.

**Wessman-Enzinger, N. M.**, & Langrall, C. W. (2013, November). Reflections about questioning: A continuum of development. Presentation at the North American Chapter of the International Group for the Psychology of Mathematics Education at Chicago, IL.

Wessman-Enzinger, N. M. (2013, November). Evolution of the integer number line in North American school mathematics. Presentation at Group for Education Research in Mathematics (GERM) at Illinois State University, Normal, IL.

Wessman-Enzinger, N. M. (2013, May). Making sense of negative integers through storytelling. Presentation at Illinois State University, Normal, IL.

Wessman-Enzinger, N. M. (2011, October). Subtraction Algorithms from the 1700s to the 1900s. Paper presented at the History and Pedagogy of Mathematics Conference, San Diego, CA.

**Practitioner Presentations**

Tobias, J., &

**Wessman-Enzinger, N. M.**(2016, April).

*Using temperature to support understanding with integer addition and subtraction*. Presentation at National Council of Teachers of Mathematics Annual Conference, San Francisco, CA.

Wessman-Enzinger, N. M. (2016, April).

*The development of modeling integers in a Translation/Relativity context*. Presentation at National Council of Teachers of Mathematics Annual Conference, San Francisco, CA.

Wessman-Enzinger, N. M. (2015, January).

*Positive thinking about negative numbers*. Workshop presented at Metropolitan Mathematics Club Conference, Lincolnshire, IL.

Fraher, C., &

**Wessman-Enzinger, N. M.**(2015, January).

*Projects in calculus*. Workshop presented at Metropolitan Mathematics Club Conference, Lincolnshire, IL.

Wessman-Enzinger, N. M. (2014, October).

*Positive thinking about negative numbers*. Presentation at Illinois Council of Teachers of Mathematics Conference, Tinley Park, IL.

Beck, P., &

**Wessman-Enzinger, N. M.**(2014, October).

*Compass or protractor, What is this tool?*Presentation at Illinois Council of Teachers of Mathematics Conference, Tinley Park, IL.

Wessman-Enzinger, N. M. (2014, April).

*What’s a “real” context anyway?*Presentation at National Council of Teachers of Mathematics Annual Meeting, New Orleans, LA.

Fraher, C., &

**Wessman-Enzinger, N. M.**(2013, October).

*Volume exploration for calculus.*Presentation at Illinois Conference of Teachers of Mathematics Conference, Peoria, IL.

Wessman-Enzinger, N. M. (2013, October).

*What's a "real" context anyway?*Presentation at Illinois Conference of Teachers of Mathematics Conference, Peoria, IL.

**Wessman-Enzinger, N. M.**, & Wickstrom, M. H. (2013, April).

*Write mathematics into the story.*Presentation at the National Council of Teachers of Mathematics Conference, Denver, CO.

Wickstrom, M. H., &

**Wessman-Enzinger, N. M.**(2013, April).

*A new spin on fair sharing.*Presentation at the National Council of Teachers of Mathematics Conference, Denver, CO.

**Wessman-Enzinger, N. M.**, & Williams, R. A. (2012, November).

*Using children’s literature to foster motivation in mathematics*. Presentation at the National Council of Teachers of Mathematics Conference, Chicago, IL.

**Wessman-Enzinger, N. M.**, & Williams, R. A. (2011, October).

*Using children’s literature to foster motivation in mathematics.*Presentation at Illinois Council of Teachers of Mathematics Conference, Springfield, IL.

Wessman-Enzinger, N. M. (2010, November).

*Mathematics + Cooperative Groups = Awesome*. Presentation at Olivet Nazarene Professional Day, Bourbonnais, IL.

Wessman-Enzinger, N. M. (2010, October).

*Mathematics + Cooperative Groups = Awesome*. Presentation at Illinois Council of Teachers of Mathematics Conference, Springfield, IL.

Wessman, N. M. (2009, November).

*Mathematics + Technology = Dynamic*. Presentation at the Olivet Nazarene University Professional Day, Bourbonnais, IL.

Wessman, N. M. (2009, October).

*Do gas prices affect traffic in Chicago?*Presentation at the Illinois Council of Teachers of Mathematics, Peoria, IL.

Wessman, N. M. (2009, January).

*Do gas prices affect traffic in Chicago?*Presentation at the Metropolitan Mathematics Club of Chicago Conference, Chicago, IL.

Wessman, N. M. (2008, November).

*Do gas prices affect traffic in Chicago?*Presentation at the Olivet Nazarene University Professional Day, Bourbonnais, IL.

**Invited Talks**

Wessman-Enzinger, N. M. (2017, March).

*Creative reasoning with negative integers: A space for mathematical play.*Presentation will be at The Metropolitan Mathematics Club of Chicago, Chicago, IL.

Wessman-Enzinger, N. M. (2014, November).

*Integer ignite*. Presentation at Metropolitan Mathematics Club of Chicago, Elk Grove, IL.

Wessman-Enzinger, N. M. (2013, October).

*Context and negative integers: More than a pedagogical tool*. Presentation at Math Energy at Eastern Illinois University, Charleston, IL.

Wessman-Enzinger, N. M. (2012, April).

*Subtraction algorithms from the 1700s to the 1900*s. Presentation at University of St. Francis, Joliet, IL.

Wessman, N. M. (2008, December).

*Technology in the secondary mathematics classroom*. Presentation at Olivet Nazarene University, Bourbonnais, IL.

Wessman, N. M. (2004, November).

*Properties of special matrices: A linear algebra perspective*. Presentation at Olivet Nazarene University Mathematics & Science Homecoming Meeting, Bourbonnais, IL.

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